package org.hbgl.geoentity.db.util;

import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class HttpClient {
    public static String post(String url, Map<String, String> param) {
        // 创建Httpclient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();
        CloseableHttpResponse response = null;
        String resultString = "";
        try {
            // 创建Http Post请求
            HttpPost httpPost = new HttpPost(url);
            httpPost.setHeader("UserAuthKey", ApiUrlConfig.USER_AUTH_KEY);
            // 创建参数列表
            if (null != param) {
                List<NameValuePair> paramList = new ArrayList<>();
                for (String key : param.keySet()) {
                    paramList.add(new BasicNameValuePair(key, param.get(key)));
                }
                // 模拟表单
                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList, "UTF-8");
                httpPost.setEntity(entity);
            }
            // 执行http请求
            response = httpClient.execute(httpPost);
            resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (null != response) {
                    response.close();
                }
                httpClient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return resultString;
    }

    public static String postJson(String url, String postData) {
        // 创建Httpclient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();
        CloseableHttpResponse response = null;
        String resultString = null;
        try {
            // 创建Http Post请求
            HttpPost httpPost = new HttpPost(url);
            httpPost.addHeader("Content-type", "application/json; charset=utf-8");
            httpPost.setHeader("Accept", "application/json");
            httpPost.setHeader("UserAuthKey", ApiUrlConfig.USER_AUTH_KEY);
            StringEntity entity = new StringEntity(postData, ContentType.APPLICATION_JSON);// 构造请求数据
            httpPost.setEntity(entity);// 设置请求体
            response = httpClient.execute(httpPost);
            if (response.getStatusLine().getStatusCode() == 200) {
                resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (response != null)
                    response.close();

            } catch (IOException e) {
                e.printStackTrace();
            } finally {
                try {
                    if (httpClient != null)
                        httpClient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return resultString;
    }
}
